title: Parasympathetic control of the heart. III. Neuropeptide Y-immunoreactive nerve terminals synapse on three populations of negative chronotropic vagal preganglionic neurons.
mesh_terms: D000818:Animals; D001370:Axonal Transport / Q000502:physiology; D002415:Cats; D005726:Ganglia, Parasympathetic / Q000166:cytology / Q000502:physiology*; D006321:Heart / Q000294:innervation*; D006339:Heart Rate / Q000502:physiology*; D008856:Microscopy, Fluorescence; D023421:Models, Animal; D009411:Nerve Endings / Q000502:physiology* / Q000648:ultrastructure; D009478:Neuropeptide Y / Q000032:analysis*; D013569:Synapses / Q000502:physiology* / Q000648:ultrastructure; D014630:Vagus Nerve / Q000502:physiology*
chemical_list: D009478:Neuropeptide Y